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For professional welders, the feel of the tool is just as important as its power. The Tweco Spray Master MS450 MIG Gun (1040-1058) features the classic ergonomic handle that welders have trusted for decades. Designed to fit naturally in the hand, it reduces grip fatigue during long welds and provides excellent maneuverability despite its heavy-duty rating. The 25-foot cable offers the freedom to move around large workpieces without constantly repositioning the wire feeder, improving workflow efficiency.
The MS450 proves that you don't always need a water-cooled torch for high-amperage work. Rated at 450 amps with an 80% duty cycle using CO2, this gun handles the heat of spray transfer welding with ease. The air-cooled design simplifies your setup—no hoses, no coolant leaks, and no water coolers to maintain. It is the ideal choice for field work or shop environments where simplicity and ruggedness are prioritized over complex cooling systems.
This specific model is pre-configured for 1/16-inch wire, signaling its readiness for structural steel and heavy plate welding. The Tweco connection ensures a solid electrical transfer from your machine to the workpiece. Whether you are welding in the flat, horizontal, or vertical positions, the Spray Master MS450 delivers a smooth, stable arc. The consumables are widely available and easy to swap, ensuring that you can keep your focus on the weld puddle rather than fighting with your equipment.
| Additional Information |
|---|
| Brand:Tweco |
| Amperage:450 |
| Length:25 ft |
| Wire Size:1/16" |
| Back End:Tweco |
| Torch Type:MIG Gun |
| Cooling Method:Air Cooled |
| Duty Cycle:80% @ 450A |
| Series:Spray Master |
| Wire Diameter Capacity:1/16" (1.6mm) |
| Connection Type:Tweco |
| Packaging Description:pack of 1 |
